#net-connection-overlay {
  display: none;
  position: fixed;
  z-index: 999999;
  top: 0; left: 0;
  width: 100%;
  height: 100%;
  background: #111;
  color: white;
  font-family: 'Segoe UI', sans-serif;
  justify-content: center;
  align-items: center;
  text-align: center;
  flex-direction: column;
}

#net-connection-overlay .icon {
  font-size: 70px;
  animation: blink 1s infinite alternate;
}

#net-connection-overlay h2 {
  font-size: 32px;
  margin: 15px 0 5px;
}

#net-connection-overlay p {
  font-size: 16px;
  color: #ccc;
}

@keyframes blink {
  from { opacity: 0.4; }
  to { opacity: 1; }
}